Product Details | CHECK VALVE

4820-01-344-7564 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: 909QT-3/4IN, 909QT34IN, 4820-01-344-7564, 01-344-7564, 4820013447564, 013447564

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 06 SEP 1991 01-344-7564

Drawings & Photos | NSN 4820-01-344-7564


Cross Reference | NSN 4820-01-344-7564

Part Number Cage Code Manufacturer
909QT-3/4IN 79227 WATTS REGULATOR CO

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Technical Data | NSN 4820-01-344-7564

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
STYLE DESIGNATOR A2 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE WATER, FRESH 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 175.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 140.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE B9 PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPTF ALL ENDS
NOMINAL THREAD SIZE 0.750 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
FURNISHED ITEMS AND QUANTITY 1 HANDLE
SPECIAL FEATURES BACKFLOW PREVENTER, WITH 1/4 TURN, FULLPORT RESILIENT SEATED,BRONZE BALL VALVE SHUT OFFS
END ITEM IDENTIFICATION CPF VACUUM SEWAGE COLLECTOR,WATTS REGULATOR CO

Restrictions/Controls & Freight Information | NSN 4820-01-344-7564

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information